但为保险起见
But just to be safe
以上为机器翻译结果，长、整句建议使用 人工翻译 。
我想我们已经讨论过了这个问题，但为保险起见，我再问你一次。
I guess we've already talked about this but I'll ask you again just in case.
《柯林斯英汉双解大词典》
但你也许还想去拍张X光片，为保险起见。
You might still want to go for an X-ray, however, just to be on the safe side.
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